microfilter

/ ˈmaɪkrəʊˌfɪltə /

noun

1. a device plugged into a phone socket to separate the phone line from the broadband line

Example Sentences

A pump system, a “squeeze bag” setup or a gravity filter method are among the most popular ways to move water through a microfilter.

From Seattle Times

Unlike the Bodum, you need to wait for the coffee to finish brewing before you can plunge and go—but unlike the Bodum, you can fully remove the metal microfilter from the rig and use it as a traditional travel mug.

From Slate

But in claiming the average hiker or camper needs a $99.95 microfilter pump to avoid illness and death, they far exceed the conclusions of a scant medical literature.

From Slate

Isakson recognized a group of high school freshmen from Duluth, Georgia, who designed what they called a "Kidney Microfilter Regulation Device": an artificial kidney that could be implanted in a patient's body. 

From US News